Search a number
-
+
84923931 = 3101280277
BaseRepresentation
bin1010000111111…
…01011000011011
312220210120201210
411003331120123
5133220031211
612232114203
72050561431
oct503753033
9186716653
1084923931
1143a34674
1224535963
1314795661
14b3c8d51
1576c79a6
hex50fd61b

84923931 has 8 divisors (see below), whose sum is σ = 114353424. Its totient is φ = 56055200.

The previous prime is 84923929. The next prime is 84923941. The reversal of 84923931 is 13932948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84923931 - 21 = 84923929 is a prime.

It is a super-2 number, since 2×849239312 = 14424148112985522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84923931.

It is not an unprimeable number, because it can be changed into a prime (84923941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139836 + ... + 140441.

It is an arithmetic number, because the mean of its divisors is an integer number (14294178).

Almost surely, 284923931 is an apocalyptic number.

84923931 is a deficient number, since it is larger than the sum of its proper divisors (29429493).

84923931 is a wasteful number, since it uses less digits than its factorization.

84923931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280381.

The product of its digits is 46656, while the sum is 39.

The square root of 84923931 is about 9215.4181131406. The cubic root of 84923931 is about 439.5517663298.

The spelling of 84923931 in words is "eighty-four million, nine hundred twenty-three thousand, nine hundred thirty-one".

Divisors: 1 3 101 303 280277 840831 28307977 84923931